For Nissan Leaf Steel, which is less expensive than aluminum, is used. To cope with lateral impacts, spot welding with a small pitch is used to increase strength.
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Possibility of springs 2024 JSAE Automotive Engineering Exposition NHK Spring Co., Ltd.
- Uses one-piece forming and FSW (friction stir welding) technology with special cores. Eliminates the need for bolts and seals, reducing leakage risk and cost. -Installed in Nissan Leaf.
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Mono leaf spring 2023 JSAE Automotive Engineering Exposition NHK Spring Co., Ltd.
-Newly developed product (left) has improved heat insulation headlining compared to current product (right); used in roof -Installed Vehicle: Nissan "LEAF"
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Large Battery Box Automotive World 2019 UNIPRES Corporation